#include<stdio.h>
/*
* I_1.c
*
*  Created on: May, 14, 2009
*      Author: yimingliu@fudan.edu.cn
*/

void funI_1_1()
{
	int i;
	printf("Please enter a int number: ");
	scanf("%d",&i);
	if( i%7==0)
		printf("Yes.\n");
	else
		printf("No.\n");
}

void funI_1_2()
{
	int a,b;
	scanf("%d %d",&a,&b);
	if(a<b)
	{
		int c=b;
		b=a;
		a=c;
	}
	printf("%d,%d",a,b);
}